3789876625949 has 2 divisors, whose sum is σ = 3789876625950. Its totient is φ = 3789876625948.

The previous prime is 3789876625901. The next prime is 3789876626033. The reversal of 3789876625949 is 9495266789873.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3104115422500 + 685761203449 = 1761850^2 + 828107^2 .

It is a cyclic number.

It is not a de Polignac number, because 3789876625949 - 2⁸ = 3789876625693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3789872625949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1894938312974 + 1894938312975.

It is an arithmetic number, because the mean of its divisors is an integer number (1894938312975).

Almost surely, 2^{3789876625949} is an apocalyptic number.

It is an amenable number.

3789876625949 is a deficient number, since it is larger than the sum of its proper divisors (1).

3789876625949 is an equidigital number, since it uses as much as digits as its factorization.

3789876625949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9876142080, while the sum is 83.

The spelling of 3789876625949 in words is "three trillion, seven hundred eighty-nine billion, eight hundred seventy-six million, six hundred twenty-five thousand, nine hundred forty-nine".